Hub Specs


R45 and Classic hub specifications and wheel building information (pdf)
Hub Type Axle Type Axle Width (mm) Flange Diameter Drive Side (mm) Flange Diameter non-Drive Side (mm) Center to flange drive side (mm) Center to flange non-drive side (mm) Frame attachment options Available spoke hole drilling Upgrade & conversion options Weight Steel* (grams) Weight Ceramic* (grams)
R45 front one piece 100 39.8 39.8 34.8 34.8 QR 16/20/24/28/32 - 102 99
R45 10 Speed one piece 130 51.0 51.0 18.9 34.6 QR 20/24/28/32 - 221 221
R45 11 Speed one piece 130 51.0 51.0 17.0 36.3 QR 20/24/28/32 4 224 218
R45 Campagnolo Rear one piece 130 51.0 51.0 17.1 36.2 QR 20/24/28/32 - 226^ 216^
R45 Disc Front two piece 100 57.4 57.4 30.6 22.3 QR 24/28/32 - 162 158
R45 Disc Rear one piece 135 57.4 57.4 19.3 34.3 QR 24/28/32 4 276 271
R45 Disc Campangnolo Rear one piece 135 57.4 57.4 19.3 34.3 QR 24/28/32 - 281^ 272^
Classic High Flange Front two piece 100 53.0 53.0 34.3 34.3 QR 28/32/36 - 136 -
Classic High Flange Road Rear two piece 130 53.0 53.0 17.2 37.3 QR 28/32/36 1/2/3 276 -
Classic High Flange Mountain Rear one piece 135 53.0 53.0 21.0 33.5 QR/FB 28/32/36 1/2/3 302 -
Classic low flange front two piece 100 40.0 40.0 34.0 34.0 QR 28/32/36 - 112 -
Classic Low Flange Rear two piece 130 53.0 44.0 18.5 38.5 QR 28/32/36 1/2/3 264 -
Classic Mountain Low Flange Rear two piece 135 53.0 44.0 21.0 36.0 QR 28/32/36 1/2/3 266 -
Single Speed Road Rear one piece 130 53.0 53.0 31.2 36.2 QR/FB 28/32/36 1 370a -
Single Speed Mountain Rear one piece 135 53.0 53.0 33.7 33.7 QR/FB 28/32/36 1 375a -
BMX High Flange Front one piece 100 53.0 53.0 34.3 34.3 BO 28/32/36 - 216b -
BMX High Flange Rear one piece 110 53.0 53.0 27.3 27.3 BO 28/32/36 - 388c -
BMX low flange front one piece 100 40.0 40.0 34.0 34.0 BO 28/32/36 - 216b -
BMX Low Flange Rear one piece 110 53.0 44.0 27.0 30.0 BO 28/32/36 - 194b -
Tandem 160 Rear one piece 160 53.0 53.0 33.7 33.7 QR/FB 28/32/36 3 376c -
Tandem 145 Rear one piece 145 53.0 53.0 26.0 29.0 QR/FB 28/32/36 3 376c -
Frame Attachment Options

QR: Quick release only

BO: Bolt-on only

QR/FB: Quick release or FunBolts (FunBolts only compatible with rear one piece axle)




Upgrade & Conversion Options
  1. Convertible to 130mm and 135mm one piece axle (allowing FunBolts option)
  2. Convertible to 130mm, 135mm and 140mm axle widths when using a two piece axle
  3. Convertible to stainless steel driveshell
  4. Convertible to Campagnolo driveshell, requires a kit and an axle

Wheel Building Specifications

Spoke Gauge: 13, 14 or 15 gauge

Spoke Lacing Pattern:

R45: Radial lacing is an acceptable pattern for front wheels and the non-drive side of rear wheels. The drive side of rear hubs must be 2-or-more cross.

R45 Disc: 2-or-more cross

All other hubs 2-or-more cross

Spoke Hole Diameter: 2.5mm





Weight Details

* Add 48g if hub features a stainless steel driveshell

^ Campagnolo hubs come with an 11-tooth lock ring (5.5g). Optional 12-tooth lock ring available aftermarket

a Weight includes 18t stainless steel cog (37g), Single Speed cog spacers (6g) Single Speed cog lock ring (4g) and FunBolts (42g)

b Weight includes BMX axle bolts with washers (44g/pair)

c Weight includes BMX axle bolts with washers (44g/pair), 16t stainless steel cog (32g) and Single Speed cog lock ring (4g)

d Weight includes FunBolts (42g)









ISO hub specifications and wheel building information (pdf)
Hub Type Axle Type Axle Width Flange Diameter Drive Side & non-Drive Side (mm) Center to Flange Drive Side (mm) Center to Flange non-Drive side (mm) Frame Attachment Options Available Spoke Hole Drilling Upgrade & Conversion Options Weight Steel* (grams) Weight Ceramic* (grams)
ISO front two piece  100 57.4 31.3 22.2 QR 28/32/36 4 166 163
ISO 15mm SD front one piece  100 57.4 31.3 22.2 15mm TA 32/36 4 164 161
ISO 15mm LD front one piece  100 57.4 31.6 23.3 15mm TA 32/36 5 197 193
ISO 20mm front one piece  110 57.4 31.6 23.3 20mm TA 32/36 5 207 203
ISO 24mm front one piece  110 57.4 26.5 27.8 24mm TA 32/36 5 240 -
ISO 135 rear one piece  135 57.4 20.1 33.9 QR/FB 28/32/36 1/3 336 331
ISO 135 x 10/12mm rear one piece  135 57.4 20.1 33.9 10/12mm TA 28/32/36 1/3 320** 315
ISO 142 x 12mm rear one piece  142 57.4 20.1 33.9 12mm TA 28/32/36 1/3 325 320
ISO G1 150 x 10/12 mm rear one piece  150 57.4 25.0 38.5 10/12mm TA 32/36 3 336** -
ISO G2 150 x 10/12 mm rear one piece  150 57.4 28.5 39.6 10/12mm TA 32/36 3 337 333
ISO G2 157 x 12 mm rear one piece  157 57.4 28.5 39.6 12mm TA 32/36 3 344 339
ISO Single Speed rear one piece  135 57.4 32.3 31.0 QR/FB 28/32/36 - 411*** 406
Universal Disc front two piece  100 53.0 31.5 23.0 QR 32/36 - 150 -
Universal Disc rear one piece  135 53.0 21.0 34.0 QR/FB 32/36 1/3 282 -
Universal Disc Single Speed rear one piece  135 53.0 32.0 34.2 QR/FB 32/36 - 427*** -
Universal Disc rear tandem two piece  140 53.0 23.5 31.5 QR 32/36 2/3 284 -
Universal Disc rear tandem one piece  145 53.0 26.0 29.0 QR/FB 32/36 3 366 -
Universal Disc rear tandem one piece  160 53.0 33.7 33.7 QR/FB 32/36 3 388 -
Frame Attachment Options

QR: Quick release only

TA: Thru-axle only

QR/FB: Quick release or FunBolts (FunBolts only compatible with rear one piece axle)




Upgrade & Conversion Options
  1. Convertible to 135mm QR/FB axle, 135 x 10mm TA, 135 x 12mm TA, 142 x 12mm TA and 135mm two piece QR axle
  2. Convertible to 130mm, 135mm and 140mm axle widths when using a two piece axle
  3. Convertible to stainless steel driveshell
  4. Convertible to QR and 15mm thru axle
  5. Convertible to 15mm and 20mm thru axle, and 24mm axle

Wheel Building Specifications

Spoke Gauge: 13, 14 or 15 gauge

Spoke Lacing Pattern: 2-or-more cross

Spoke Hole Diameter: 2.5mm


Weight Details

* Add 48g if hub features a stainless steel driveshell

**Add 5g if using 10mm thru axle

***Weight includes 18t stainless steel cog (16g), Single Speed cog spacers (6g), Single Speed cog lock ring (4g) and FunBolts (42g)